onda senoidal

float px, py, px2, py2;

float angle, angle2;

float radius = 90;

float frequency = 2;

float frequency2 = 2;

float x, x2;

void setup(){

  size(400, 250);

  background (0);

}

   void draw(){

  fill(0,10);

rect(0,0,width, height);

  noStroke();

  fill(random(#1442C6),random(#FF3429),random(#14DB1F));

  px = width/8 + cos(radians(angle))*(radius);

  py = 150 + sin(radians(angle))*(radius);

  fill(#1D5BDE,60,150);

  angle2 = 0;

  for (int i = 0; i< width; i++){

    px2 = width/8 + cos(radians(angle2))*(radius);

    py2 = 70 + sin(radians(angle2))*(radius);

    point(width/radius+i, py2);

    angle2 -= frequency2;

  }

  noStroke();

  ellipse(width/radius+x, py, 40, 40);

  angle -= frequency;

  x+=1;

  if (x>= width-60) {

    x = 0;

    angle = 0;

  }

}

​